/Engine/Source/Runtime/Engine/Classes/Particles/ParticleSystemComponent.h
Array of trail emitters.
typedef [TArray](API\Runtime\Core\Containers\TArray)< struct [FParticleAnimTrailEmitterInstance](API\Runtime\Engine\FParticleAnimTrailEmitterInstanc-) *, TInlineAllocator< 8 > > TrailEmitterArray